import { Hertz, Seconds } from "./unitConverters";
export type TwoDFft = Float32Array[];
export interface Size<T = number> {
    width: T;
    height: T;
}
export interface Rect<T = number> extends Size<T> {
    x: T;
    y: T;
}
export declare class TwoDSlice<XT extends number, YT extends number> {
    constructor(data: TwoDSlice<any, any>);
    x0: XT;
    x1: YT;
    y0: XT;
    y1: YT;
}
export declare class SpectrogramModel {
    constructor(startOffset: Seconds, endOffset: Seconds);
    startOffset: Seconds;
    endOffset: Seconds;
}
export declare class RenderWindow {
    constructor(startOffset: Seconds, endOffset: Seconds, lowFrequency: Hertz, highFrequency: Hertz);
    startOffset: Seconds;
    endOffset: Seconds;
    lowFrequency: Hertz;
    highFrequency: Hertz;
    toDom(): string;
}
export declare class RenderCanvasSize implements Size {
    constructor(width: number, height: number);
    width: number;
    height: number;
}